Automatic flame-regulator.



J. KRIZAN, JR.

AUTOMATIC FLAME REGULATOR.

APPLICATION FILED JUNE I. ma.

L2%,982. Patented Sept. 25, 1917.

'Josnrn KBIZAN, an, or GROOM, TEXAS.

AUTOMATIC FLAME-REGULATOR.

Specification of Letters Patent.

Patented Sept. 25,1917.

Application filed lune 1, 1916. Serial No. 101,066.

To all whom it may concern:

Be it known that I, Josnrrr KRIZAN, Jr., a citizen of the United States,residing at Groom, in the county of Carson, State of Texas, haveinvented certain new and useful Improvements in Automatic-Fla1ne-Regulators; and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

This invention relates to temperature regulating devices for incubators,and has particular reference to devices for controlling the amount ofheat generated by the heat source of an incubator.

The primary object of my invention is to provide a simple andinexpensive device of the character above mentioned which acts toregulate the size of the flame of the heating lamp employed in anincubator.

More particularly, the invention purposes to provide a device, which, asa unit may be mounted upon the chimney of an incubator lamp so as to beremovable therewith, and which is adapted to slidably surmount the wickso as to expose regulated portions. of the flame end of the wick thereofwhich may burn while the remainder of the flame end is covered to reducethe flame.

With the above and other objects in View, as will hereinafter appear, myinvention will now be fully set forth and described, reference being hadto the accompanying drawings.

In said drawings Figure 1 is a vertical section through the burner andchimney of an incubator lamp, showing my improved device attachedthereto,

Fig. 2 is a section on line 22 of Fig. 1, with parts of the mechanismbroken away for the sake of clearness,

Fig. 3 is a section on line 3-3 of Fig. 1, and

Fig. 4 is a detail elevation of one of the parts of the device.

Referring more particularly to said drawings, 1 represents the burner ofthe incubator lamp having the usual cap 2. The sheet metal chimney 3 isremovable, and rests upon the body 4 of the lamp. Mounted upon the sideof the chimney 3 is a housing 5 which is preferably formed of sheetmetal and is arched out from the chimney so as to down-turned in such besecured thereto by its edges. Penetratlng the arched portion of thehousing 5 is an elongated opening 6 which registers with acorrespondingly formed opening 7 formed in the wall of .the chimney 3.The openings 6 and 7 provide spaced bearing points for a slide 8 whoseinner end is formed into a dished blade 9 whose, longitudinal edges arespaced relation as to inclose the flame end of the wick in the burner 1when the blade 9 overlies the burner.

The blade 9 is adapted to be slid to en tirely or partially cover theflame end of the wick, and has its outer end 10 connected to a pivotedrod 11,-which is journaled in a bracket 12. The rock arm or rod 11 isconnected to the end 10 by being freely projected through a verticalopening provided in said end.

As best seen in Fig. i, the pivoted rod 11 is provided with the journalportion 13 which rocks in a bearing 14E formed on the outer end of thebracket 12. On the opposite end of the journal 13 the rod 11 iscontinued in the horizontal arm 15. Said arm 15, at its free end isprovided with the loop 16 to which is linked the vertical rod 17 whichis connected to the thermostat (not shown). The rod 17 reciprocatesunder the action of the thermostat, and communicates its motion to therock arm or rod 11, and which in turn reciprocates the slide. Extendingin the opposite direction from the arm 15 at the upper end of the rockarm 11 is an extension 18, which supports, at its free end a weight 19,which normally counterbalances therock arm 11 and the slide 8, so thatwhen the temperature in the incubator is at the normal point, the weight19 will hold the blade 9 free from the wick.

In the operation of the device, as above stated, the weight 19 normallyholds the blade 9 out of its covering position, as indicated in Fig. 1.However, when the tem perature in the incubator becomes too high so thatthe thermostat is effected, the rod 17 is lowered, so that the arm 15 isturned downwardly, the rock arm 11 turned toward the chimney 3, so thatthe slide 8 is pushed inwardly until the blade 9 cuts off the flame to agreater or less degree, in accordance with the temperature droprequired. When the chimney 3 is removed, the entire cut-off device iscarried therewith, the connection between the arm 15 and the rod 17being such that it can be readily disconnected upon occasion.

From the foregoing description it Will be evident that I have provided avery simple but eflective device Which may be interposed between athermostat in an incubator and the burner for regulating thetemperature, a device not only Working effectively, but rapidly to bringabout the desired temperature changes.

What I claim as my invention is The combination With an incubator lamp,a burner and a chimney thereof, a slide adapted to variably cut off theflame of the burner, said slide having a bearing in the Copies of thispatent may be obtained for five cents each, by addressing the Wall ofthe chimney, and sliding longitudinally along the upper end of the Wick,a rock arm supported by the chimney and having a pivotal connection Withsaid slide, .a thermally controlled rod connected to said rock arm, anextension on said rock arm, and a Weight upon said extension positionedfor normally holding the slide Withdrawn from contact With said burner.

In testimony whereof, I afliX'my signature, in the presence of tWoWitnesses.

JOE KRIZAN, JR.

Witnesses:

R. M. CORNETT, W. D. HOOPER.

Commissioner of Patents,

Washington, D. 0.

